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参数资料
型号： LM2672M-5.0X
厂商： NATIONAL SEMICONDUCTOR CORP
元件分类： 稳压器
英文描述： 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8
封装： 0.150 INCH, PLASTIC, SO-8
文件页数： 20/26页
文件大小： 626K
代理商： LM2672M-5.0X
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
45V
ON/OFF Pin Voltage
0.1V
≤ V
SH ≤ 6V
Switch Voltage to Ground
1V
Boost Pin Voltage
V
SW + 8V
Feedback Pin Voltage
0.3V
≤ V
FB ≤ 14V
ESD Susceptibility
Human Body Model (Note 2)
2 kV
Power Dissipation
Internally Limited
Storage Temperature Range
65°C to +150°C
Lead Temperature
M Package
Vapor Phase (60s)
+215°C
Infrared (15s)
+220°C
N Package (Soldering, 10s)
+260°C
LLP Package (see AN-1187)
Maximum Junction Temperature
+150°C
Operating Ratings
Supply Voltage
6.5V to 40V
Temperature Range
40°C
≤ T
J ≤ +125°C
Electrical Characteristics
LM2672-3.3 Specifications with standard type face are for T
J = 25°C, and those in bold type face apply over full
Operating Temperature Range.
Symbol
Parameter
Conditions
Typical
Min
Max
Units
(Note 4)
(Note 5)
SYSTEM PARAMETERS
Test Circuit Figure 2 (Note 3)
V
OUT
Output Voltage
V
IN = 8V to 40V, ILOAD = 20 mA to 1A
3.3
3.251/3.201
3.350/3.399
V
OUT
Output Voltage
V
IN = 6.5V to 40V, ILOAD = 20 mA to 500 mA
3.3
3.251/3.201
3.350/3.399
V
η
Efficiency
V
IN = 12V, ILOAD = 1A
86
%
LM2672-5.0
Symbol
Parameter
Conditions
Typical
Min
Max
Units
(Note 4)
(Note 5)
SYSTEM PARAMETERS
Test Circuit Figure 2 (Note 3)
V
OUT
Output Voltage
V
IN = 8V to 40V, ILOAD = 20 mA to 1A
5.0
4.925/4.850
5.075/5.150
V
OUT
Output Voltage
V
IN = 6.5V to 40V, ILOAD = 20 mA to 500 mA
5.0
4.925/4.850
5.075/5.150
V
η
Efficiency
V
IN = 12V, ILOAD = 1A
90
%
LM2672-12
Symbol
Parameter
Conditions
Typical
Min
Max
Units
(Note 4)
(Note 5)
SYSTEM PARAMETERS
Test Circuit Figure 2 (Note 3)
V
OUT
Output Voltage
V
IN = 15V to 40V, ILOAD = 20 mA to 1A
12
11.82/11.64
12.18/12.36
V
η
Efficiency
V
IN = 24V, ILOAD = 1A
94
%
LM2672-ADJ
Symbol
Parameter
Conditions
Typ
Min
Max
Units
(Note 4)
(Note 5)
SYSTEM PARAMETERS
Test Circuit Figure 3 (Note 3)
V
FB
Feedback Voltage V
IN = 8V to 40V, ILOAD = 20 mA to 1A
1.210
1.192/1.174
1.228/1.246
V
OUT Programmed for 5V
(see Circuit of Figure 3)
V
FB
Feedback Voltage V
IN = 6.5V to 40V, ILOAD = 20 mA to 500 mA
1.210
1.192/1.174
1.228/1.246
V
OUT Programmed for 5V
(see Circuit of Figure 3)
η
Efficiency
V
IN = 12V, ILOAD = 1A
90
%
3
www.national.com
LM2672
相关PDF资料
PDF描述
LM2672LD-5.0/NOPB 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO16
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相关代理商/技术参数
参数描述
LM2672M-ADJ 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
LM2672M-ADJ 制造商:Texas Instruments 功能描述:SWITCHING REG 1A ADJ 2672 SOIC8
LM2672M-ADJ/NOPB 功能描述:直流/直流开关转换器 HIGH EFF 1A STEP- DOWN VLTG REG RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
LM2672M-ADJ/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu
LM2672MX-12 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
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